package com.mmall.controller.backend;

import com.google.common.collect.Maps;
import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.pojo.Product;
import com.mmall.pojo.User;
import com.mmall.service.IFileService;
import com.mmall.service.IProductService;
import com.mmall.service.IUserService;
import com.mmall.util.PropertiesUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.Map;

@Controller
@RequestMapping("/manage/product")
public class ProductManageController {
    @Autowired
    private IUserService iUserService;
    @Autowired
    private IProductService iProductService;
    @Autowired
    private IFileService iFileService;
    /**
     * 保存商品
     * @param session
     * @param product
     * @return
     */
    @RequestMapping("save.do")
    @ResponseBody
    public ServerResponse productSave(HttpSession session, Product product){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆,请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()){
           //填充我们增加产品的业务逻辑
            return iProductService.saveOrUpdateProduct(product);
        } else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    /**
     * 商品上下架
     * @param session
     * @param productId
     * @param status
     * @return
     */
    @RequestMapping("set_sale_status.do")
    @ResponseBody
    public ServerResponse setSaleStatus(HttpSession session, Integer productId,Integer status){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆,请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()){
            return iProductService.setSaleStatus(productId,status);
        } else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    /**
     * 获取商品详情
     * @param session
     * @param productId
     * @return
     */
    @RequestMapping("detail.do")
    @ResponseBody
    public ServerResponse getDetail(HttpSession session, Integer productId){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆,请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()){
            //填充业务
            return iProductService.manageProductDetail(productId);
        } else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    /**
     * 动态分页
     * @param session
     * @param pageNum 具体页数
     * @param pageSize 每页容量
     * @return
     */
    @RequestMapping("list.do")
    @ResponseBody
    public ServerResponse getList(HttpSession session, @RequestParam(value = "pageNum",defaultValue = "1") int pageNum,@RequestParam(value = "pageSize",defaultValue = "10") int pageSize){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆,请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()){
            //填充业务
            return iProductService.getProductList(pageNum, pageSize);
        } else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    /**
     * 商品搜索
     * @param session
     * @param productName
     * @param productId
     * @param pageNum 具体页数
     * @param pageSize 每页容量
     * @return
     */
    @RequestMapping("search.do")
    @ResponseBody
    public ServerResponse productSearch(HttpSession session, String productName,Integer productId,@RequestParam(value = "pageNum",defaultValue = "1") int pageNum,@RequestParam(value = "pageSize",defaultValue = "10") int pageSize){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆,请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()){
            //填充业务
            return iProductService.searchProduct(productName, productId,pageNum,pageSize);
        } else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }
    }

    /**
     * ftp文件上传
     *
     * @param file
     * @param request
     * @return
     */
    @RequestMapping("upload.do")
    @ResponseBody
    public ServerResponse upload(HttpSession session, @RequestParam(value = "upload_file", required = false) MultipartFile file, HttpServletRequest request) {
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(), "用户未登陆,请登陆管理员");
        }
        if (iUserService.checkAdminRole(user).isSuccess()){
            //getRealPath方法返回的是项目在服务器的绝对路径,跟WEB-INF是同级目录
            String path = request.getSession().getServletContext().getRealPath("upload");
            //上传到FTP服务器并返回文件名
            String targetFileName = iFileService.upload(file, path);
            String url = PropertiesUtil.getProperty("ftp.server.http.prefix") + targetFileName;
            Map fileMap = Maps.newHashMap();
            fileMap.put("uri", targetFileName);
            fileMap.put("url", url);
            return ServerResponse.createBySuccess(fileMap);
        } else{
            return ServerResponse.createByErrorMessage("无权限操作");
        }

    }

    /**
     * 富文本中文件的上传
     * @param session
     * @param file
     * @param request
     * @return
     */
    @RequestMapping("richtext_img_upload.do")
    @ResponseBody
    public Map richtextImgUpload(HttpSession session, @RequestParam(value = "upload_file", required = false) MultipartFile file, HttpServletRequest request, HttpServletResponse response) {
        Map resultMap = Maps.newHashMap();
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if (user == null) {
            resultMap.put("success", false);
            resultMap.put("msg", "请登陆管理员");
            return resultMap;
        }
        //富文本中对于返回值有自己的要求,我们使用是simditor所用按照simditor要求返回
        if (iUserService.checkAdminRole(user).isSuccess()) {
            //getRealPath方法返回的是项目在服务器的绝对路径,跟WEB-INF是同级目录
            String path = request.getSession().getServletContext().getRealPath("upload");
            //上传到FTP服务器并返回文件名
            String targetFileName = iFileService.upload(file, path);
            if (StringUtils.isBlank(targetFileName)){
                resultMap.put("success", false);
                resultMap.put("msg", "上传失败");
                return resultMap;
            }
            String url = PropertiesUtil.getProperty("ftp.server.http.prefix") + targetFileName;
            resultMap.put("success", true);
            resultMap.put("msg", "上传成功");
            resultMap.put("file_path", url);
            //设置响应头
            response.addHeader("Access_Control-Allow-Headers","X-File_Name");
            return resultMap;
        } else {
            resultMap.put("success", false);
            resultMap.put("msg", "无权限操作");
            return resultMap;
        }

    }
}
